Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rpcc.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 17:39:30 UTC · ↺ Refresh
MX Hostnames
- mxa.global.inbound.cf-emailsecurity.net
- mxb.global.inbound.cf-emailsecurity.net
MX Priorities
- mxa.global.inbound.cf-emailsecurity.net: 10
- mxb.global.inbound.cf-emailsecurity.net: 10
A / AAAA Records
- 104.18.3.135 (no PTR)
- 104.18.2.135 (no PTR)
- 2606:4700::6812:387 (no PTR)
- 2606:4700::6812:287 (no PTR)
Mail Server IPs
- 172.65.64.78 (no PTR)
SOA Record
Raw SOA
apollo.ns.cloudflare.com dns.cloudflare.com 2398632766 10000 2400 604800 1800
Primary NS (mname)
apollo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398632766
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
apollo.ns.cloudflare.com
nadia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.elluciancloud.com include:mx.benefitfocus.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.elluciancloud.com include:mx.benefitfocus.com -all
- CWOsW/kdZQH7VxOaM5N56PsJTUSop5kTQiNlRXxUwvOSxi56joavYDLvcU6L/3PPNRu7PBojI0WVFZpJNaw/2A==
- MS=61D21D6640371C6A391205A970BF694C7555F247
- MS=ms78310136
- apple-domain-verification=f8pok3A7XiuzTLqk
- google-site-verification=5uA6GLHsVI9zjI5U0Kn3JCziCZJXoa5jLUA6IuCfW1Q
- rovag_verification_token=C03589594BC54B228B0C1B8A3DB16307
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rpcc.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits